75422401 has 2 divisors, whose sum is σ = 75422402. Its totient is φ = 75422400.

The previous prime is 75422371. The next prime is 75422407. The reversal of 75422401 is 10422457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 28143025 = 6876^2 + 5305^2 .

It is a cyclic number.

It is not a de Polignac number, because 75422401 - 2⁷ = 75422273 is a prime.

It is not a weakly prime, because it can be changed into another prime (75422407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37711200 + 37711201.

It is an arithmetic number, because the mean of its divisors is an integer number (37711201).

Almost surely, 2^75422401 is an apocalyptic number.

It is an amenable number.

75422401 is a deficient number, since it is larger than the sum of its proper divisors (1).

75422401 is an equidigital number, since it uses as much as digits as its factorization.

75422401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 75422401 is about 8684.6071298591. The cubic root of 75422401 is about 422.5065549909.

Adding to 75422401 its reverse (10422457), we get a palindrome (85844858).

The spelling of 75422401 in words is "seventy-five million, four hundred twenty-two thousand, four hundred one".